Trimming-machine



E. E wlNKLEY. TMMMING MAHlNE. APPUCATION FILED DEC.19, 1916.

Patented om 11, 1921,

. ETS-SHEET l.

'f5.1 wmKLEY.`

TRIMMING MACHINE.

APPLICATION FILED DEC. 1.9.1916.

1,393,656; Patented 001 11,1921.-

6 SHEETS-SHEET 2.

Z e155 I Inventor;

E. I WIIIKLEY.l

TRIMMING MACHINE.

APPLICATION `FILED DEc.19, I9Is.

Patented oI. 11, 1921.

6 SHEETS-SHEET 3.

E. E WINKLY.

TRIMMI'NG MACHINE.

APPLICATION FILED DEC. I9. 191e.

6 sIIEEIssIIEET 4.

ZU tness Inl/enla."

Patented 001; 11, 1921.

E. E WINKLEY.

TmMMlNG MACHINE.

APPLICATION FILED DEC. I9. 1916.

1,393,656. Patented Oct. 11, 1921.`

6 SHEETS-SHEET 5.

6. Inventor E. E WINKLEY.

TRIMMING MACHINE.

APPLICATION FILED 050.19, 1916.

.wNI

Patented 0013. 11, 1921.

6 sIIEETs-SIIEET a.

Z ness l @if wr UNITED STATES PATENT OFFICE.

ERASTUS E. WIN KLEY, OF LYNN, MASSACHUSETTS, ASSTGNOR, BY MESNE ASSIGN- MENTS, TO UNITED SHOE MACHINERY CORPORATION, OF PATERSON, NEW JERSEY, YA CORPORATION OF NEW JERSEY.

TRIMMING-MACHINE.

Specification of Letters Patent.

Patented Oct. 11, 1921.

Application led December 19, 19716. Serial No. 137,836.

To all lto/0m 'it may concern.'

lie it known that l, ERAs'rUs E. WINKLEY, a. citizen 0f the United States, residing at Lynn, in the county of .Essex and State of Massachusetts, have invented certain new and useful Improvements in Trimming-Vlachines; and I do hereby declare the following to be a full, clear, and exact description ol the invention, such as will enable others skilled in the art to which it appertains to *make and use the saine.

One object of the present invention is to produce a. machine for trimming off surplus material from a block or body of material such, for example, as the heel-pile or assemblage of lifts from which a heel is formed.

ln the manufacture of heels in accordance with a system devised by the applicant, each heel is produced by cementing or otherwise securing togetherl a stack of lifts or layers of suitable sheet-material, these lifts being rectangular or polygonal in form. After the heel-piles have been constructed they are brought approximately to the shape of the finished heel by means of a rounding operation wherein the surplus material is cut off so as to produce the characteristic rounded form of the heel. This operation is preferably performed by a machine having' a rotary cutter, and if the original form of the heel-piles is rectangular, or departs, in any way, widely from the finished form, a considerable amount of work is imposed upon the cutter in removing the surplus material, when the rough licei-piles are submitted immediately to the rounding operation.

iin object of the present invention is to produce a machine by which a preliminary trimming operation may be performed upon the heel-piles above referred to. In the illus trated machine this operation consists in cutting off the salient portions or corner elements of the heel-pile so as to approximate more nearly the rounded form of the heel. To this end it is proposed to employ a plu rality of knives so mounted and actuated that they engage the heel pile and bevel off two or more corner elements thereof, at the proper angles and to the proper depths.

ln the method of manufacturing` heels hereinbefore referred to, it is proposed to feed or advance the partly completed heels from one to another of a series of machines, hy which various operations are performed upon them, by means of a conveyer, which moves intermittently in a series of steps, thereby at each movement removing from each machine a heel which has been operated upon and bringing a fresh heel to the niachine.

inother object of the present invention is to produce a machine which is adapted to constitute an element of a manufacturing system of this kind, and in which means are accordingly provided for removing heels or other articles singly from the conveyor, presenting them in proper position for the desired operation thereon, and then returning` them after such operation, to the conveyer. To this end the invention comprises various devices hereinafter described, as they are de fined in the annexed claims.

Other objects of the invention, and the features of construction by which they are attained, will be set forth hereinafter in connection with the description of the preferred embodiment of the invention.

In the accompanying` drawings Figure l is a perspective view of a heel-pile which has been trimmed by the machine of the present invention. rig. 2 is a side-elevation of a trimming-machine embodying the present invention. Fig. is a front-elevation of the machine. F ig. l is a rear-elevation of the machine. Fig. 5 is a plan-view of the machine, with the upper parts broken away. Fig. G is a` vertical section, approximately on the line 6 6 in Fig, 3. Figs. 7 and 8 are detail-views, in front-elevation and on a larger scale than the preceding figures, showing two different positions of a part of. the mechanism for transferring the heelpiles to and from the trimming-knives; and Figs. 9 and l0 are detail-views, in side-elevation, showing` parts of the saine mechanism in two different positions.

rPhe invention is illustrated as embodied in a machine with two trimming-knives 18 (Figs. 2 and 4) which cut downwardly toward a horizontal surface or cutting-table 20, upon which the heel-pile is supported in inverted position. The knives are adjustably xed, at the proper angle, on a cutterhead 22, which is provided with lateral flanges 24 by which it is supported in paringly results in sliding movement of the cut- I ter-head toward and from the cutting-table. The gears 34 are rotated in unison by en gagement withtwo pinions 44 Afixed upon a transverse drive-shaft 46, which is journaled in the'frame of the machine. This driveshaftis provided, at one end, with a gear 48 with abevel-pinion 54C, and these pinlons through which it may be Vconnected with a source of power, and the drive-shaft is ro tated constantly while the machine is in operation.

In order that the mechanism may be adjusted to bring the knives properly into engagement with the cutting-table after they have been sharpened, adjustable connections are; provided between the pit-men and the beam 40. For this purpose the upper portion of each pitman is screw-threaded, and is embracedrby a threaded sleeve which turns in a bearing in the corresponding end of the beam 40. Each sleeve is provided mesh with pinions 56 on the ends of a` shaft which is, journaled in the beam e0. By thev application of a wrench to a squared portionf() the shaft may be turned, thus causing the sleeves 50 to be rotated and to adjust the beam upwardly or downwardlyV upon the pitmen by action Vof the screwthreads.A After the adjustment has been so effected, the parts may be locked in adjusted position by means of lock-nuts 52 vupon the pitmen, `which are screwed into engagement with the ends of the sleeves 50.

The conveyer is shown as comprising a series off vlinks 64 (Figs. 3 and 5), each in the form of a fiat metal'plateTO with lateral depending flanges. The links are connected together'bypivot-rods 66 seated in perforations in the lateral flanges, and each rod is provided, at its ends, with rollers 68. These rollersV support that part of the chain which passesthrough the machine, by engagement with tracks 7l (Figs. 3 and 4) on the frame of the lmaeghine. Each chain-link is provided also with an upstanding flange 72 against'which thebreast of theheel-pile may heel-pile.` upon the link.

f `-\lo",m`eans are shown in the application be pressed to determine the position of they for actuating the conveyer-chain, as it may be understood that the machine is associated with one or more other machines provided with such means, an example of suchmachines being disclosed in Letters Patent of the United States No. 1,102,311, dated July 7, 1914, which shows a machine for performing the rounding operation herein referred to. It will be understood that after each intermittent movement through. the space of one link, the chain comes to rest in the posi tion shown in the drawings. It will also be understood that, through suitable positive driving-connections which need notbe shown and described, the mechanism of the present machine is actuated in timed relation with the chain, so that its parts perform one cycle y of operations for each feed-movement of the chain.

After each heel-pile has been brought to the machine by the advance of the conveyer, it is removed from the chain by a lateral movement which is produced by means of a pusher '74 (Figs. 3, 4 and 5)'. This pusher has the form ofa curved arm fixed, at its lower end, upon a rock-shaft 7 6 which turns in a bracket 78 on the frame of the machine. The rock-shaft is located directly beneath the conveyer, so that the upper extremity of the pusher moves in a. short arc in an approximately horizontal direction. Y

After the heel-pile has been removed from the chain, by the pusher T4, to the surface of the cutting-table 20, it is advanced by a second pusher 80 (Figs. 5, 9 and 10) to bring it into position for engagement with the knives. The pusher '8O is carried by an arm 84, fixed to a shaft 86 which extends parallel with the length of the conveyer, but on the opposite side of the cutting-table. This shaft is mounted in bearings 88 and 90 on the frame of the machine, and it slides lengthwise in lthese bearings to cause the pusher 8O Vto advance the heelpile on the cutting-table, while it also turns in the bearm ings so as to swing the pusher vertically into and out of position to engage the heel-pile.

The advancing movement of the heel-pile under the influence of the pusherSO is arf rested and gaged by a stop-finger 92 (Figs. 5 and G) which projects upwardly through an opening in the cutting-table, and the longitudinal position of the heel-pile is thus determined during the trimming operation. The heel-pile is positioned and retained laterally, during the Vtrimming operation, by means of two clamp-members 94; and 96 (Fig. 5) which engage its lateral surfaces. lVhile the heel-pile is held by theV clampmembers in engagement with the stop-linger 92, the cutter-head descends Vand the knives Vbevel off the two corners of the heel-pile.

knives by a further advancing movement, this movement being produced by a pusher 98 which also is fixed to and actuated by the shaft 86.

It is desirable that the two pieces oliz material removed `from the heelpile by the knives be discharged with certainty at a given point, and be thus prevented from clogging the mechanism oi the machine. For this purpose means are provided in the forni of an arm 100 (Figs. 3 and 6), which is` mounted to turn and slide upon a rod 102 fixed horizontally, at its rear end, in a bracket 106 on the frame of -the machine. This arm carries two adjustable parallel guard-plates 1011 (Figs. 7 and 8). The movements ot the shaft 86 are so timed that prior to the engagement of the work by the trimming-knives, the pusher' 98 and the guard-plates 104 are brought into coperative relation with the heel-pile which is about to be trimmed, so that the several pieces are retained with the rough heel between the guard-plates until, by the succeeeding advancing movement of the parts, the severed pieces are brought to a position in which they may fall freely from the liront of the cutting table.

ln the position attained by the rough heel through the advancing movement just referred to, it is somewhat in advance of the vacant link ot the conveyer-chain from which it was taken and to which it is to be returned, but upon the next retrograde movement of the shaft S6, the arm 100 is caused, by means which will be described, to participate in this movement through a short space, and a spring-linger 108 (Figs. 8 and 10) is fixed upon the arm 100 in position to engage and push back the rough heel so as to bring it abreast of the link to which it is 'to be transferred.

The final return movement of the rough heel to the chain is produced by a pusher 110 (Figs. 3, 5 and 6) which is in thev form of an arm fixed, at its lower end, upon a rock-shaft 112. The shatt 112 is mounted parallel with the rock-shaft 76, in a bracket 114 on the frame ot the machine. The rock-shaft 112 is so located that the arcuate movement of the upper end of the pusher 110 is approximately horizontal in direction.`

To insure the correct positioning of the rough heel when returned to the chain, means are provided for holding the heel firmly' against the extremity ot the pusher 110 during the operation ot the latter. rlhese means have the form of a plate 116 (Figs. 3 and 1) which is pivoted7 at its upper end, to a yoke 118 supported by an arm 120 which overhangs the conveyer-chain. The plate is normally held in vertical position by a spring 122, but it yields and swings when the pusher moves the heel transversely, and the pressure of the plate and of the pusher against the opposite lateral surifaces oit the heel causes it to be alined correctly on the conveyer-lmk.

, The plate also presses against the top or" the heel until it has been removed by the advance of the conveyer, and the resulting i'rictional drag on the heel causes its breast-end to be pressed against the flange '72 on the chainlink.

rEhe mechanism for actuating the pushers Te and 110 comprises an arm 124- (Figs. 3 and 4) fixed to and projecting upwardly Jrom the rock-shaft '76. rThis arm carries a roller 126 which engages a cam 12S on the power-shaft 16. The arm 12ais connected, by a link 130, with an arm 132 fixed on the rocl'f-shalt 12, so that both oi" the pushers are swung outwardly at the saine time. The return-movement orn the pushei's is produced by a spring 1341 attached to the pusher 110. The cycle oi operations ot' the machine is such that both the pushers act at the same time upon a heelpile and a rough heel yfithn their respective paths of motion.

The sli-ding and rocking movements or" the shaft 86 are produced by cam-mechanism. Two collars (Figs. 5, 6, 9 and 10), i'ixed at one end of the shaft, loosely embrace a sleeve 138. This sleeve is provided with a stud 140, by which it is pivoted to a block embraced by the forked upper end oi' a lever 142. The lever is pivoted, at 144, to a bracket 1416 which constitutes a part of the frame ot the machine. The bracket is provided with a second pivot 1418, upon whichy a cam-lever 150 is mounted,y and this lever is provided Vwith a roller 152 which engages a cam 1541 on the powershatt L16. The camlever is connected with the lever 1112 by means oi' a link 156, so that the movements ot thecam-lever are transmitted to the lever 142, thus producing longitudinal movements of the shaft 86. These movements are produced in one direction positively by the cammechanism, whilethe opposite movement is produced by a spring` 160 attached to the lever 142. In order that the amplitude oi' the movements may be adjusted in accordance with the size ot' the heel-piles which are being acted upon, the link 156 is pivoted by means oi' a stud which is adjustable within a slot 158 in the `cam-lever 150.

The rocking movements ot the shaiit 66 are produced by a segmental pinion (Figs. a and 6), which is splined to the shaft, and is loosely embraced by the bifurcated bearing-member 88 so as to be restrained against axial movement. The pinion 162 cooperates with a rack-ba1161,which slides vertically in a guideway on the bearing-member 88. rllhe rack-bar is pivoted, at its lower end, to ,a link 166 which connects it with a cam-lever 168 mounted ou the pivot-pin 148.y This cam-lever carries a to move the rack-bar positively in an upward direction, while its downward move- `ments are produced by the action of gravity and of a spring 174 which is attached to the lower end of the rack-bar. rlhe a1'- rangement of the raclrbar and of the pinion 162 is such that the positive rocking movement imparted to the shaft 86 is that by which the pushers 8O and 98 are raised, while their descending movements are produced by the action of the spring 174. rlhis arrangement has the valuable characteristic that it avoids breakage of the mechanism in case, by any accident, a heel-pile be positioned directly beneath one of the pusher-s atV the time of the descending movement of the latter.

The arm 100 has rocking transverse move ments simultaneous with those of the push- Vers supported by the shaft 86, but differentV inV amplitude.

These movements of the arm 100, however, are derived from the shaft 86. For this purpose a sleeve 176 (Figs. 7, 8, 9 and 10) is splined to the shaft, and is-provided with an arm 178, of which the slotted end embraces a screw-stud 180 fixed in the arm 100. Owing t-o this arrangement, the rocking-movements of the shaft 86 are transmitted to the arm 100, as shown particularlyr in Figs. 7 and 8, so as to cause the guardplates 104 to-be raised and lowered together with the pushers 80 and 98.

The transverse movements of the arm 100 are produced throughl the agency ofthe sleeve 176. For this purpose the sleeve provided with a flange 182 which engages a slot in the hub 184 of the arm. A tensionsprmg 186 connects the sleeve 176 with one of theI collars 186 fixed on the shaft 86, and

' this spring tends to move the sleeve longitudinally on the shaft. Such movement is liniited, however, by an arm 188 which projects from the sleeve and has a shouldered extremity arranged to coperate with a collar v 190 adjustably fixed on the shaft. -To further control the movements of the sleeve 176, it is provided with a lug 192 in which an adjustable stop-screw 194 is fixed, this stop-screw being arranged to coperate with a stationary stop-lug 196 fixed to the bearing-member 90 in which the shaft 86 moves.

The operation of the arrangement just described is such that during the first part of the longitudinal movement of the shaft 86, in the direction by which the pushers advance the heel-piles, the sleeve 176 is held stationary by the action of the spring 186,V

with the stop-screw 194 in engagement with the stop-lug' 196. After a limited movement of the shaft 86, however, the collar 190 engages the end of the arm 188, so that thereafter the sleeve participates in the lengthwise movement of the shaft. Upon the return movement of the shaft, these operations machine.

are reversed. The sleeve176 and the arm 100 have, accordingly, a traversing movement of less amplitude than that of the parts supported and actuated directly by the shaft 86, this movement being only that which necessary to permit the trimmed heel-pile or rough heel to be brought into position for the discharge of the several pieces as shown in Fig. 5, and then to be moved sufficiently in the opposite direction to aline it laterally '75 with the conveyer-link to which it is to be transferred.

The clamping members 94 and 96 are supported and actuated in such a manner as to move toward each other in inclined paths of movement, whereby they have a tendency to push the heel-pile toward the stop-finger and thus to insure itsfirm engagement therewith. The clamping-member 94 integral with a yoke 198 (Figs. 4 and 5) which spans 85 the conveyer-chain and extends beneath the latter. The lower end of the yoke is integral with an arm 200, which extends in a fore-and-aft direction. The ends of this arm are pivoted, respectively, to two radius-arms 202 and 204, of which the latter is mounted, at its iner end, on a stationary pivot 206, while the former is fixed to a vertical rockshaft 208. The clamping-member 96 is supported in a somewhat similar manner, Vby two radius-arms 210 and-212, the arm 216 being mounted on a stationary pivot 214, while the arm 212 is fixed to a rock-shaft 216 which is parallel with the Vrock-shaft 208. The rock-shafts are connected for simultane- 100 ous opposite movement by two gearsf218, and a spring 220,'attached to the arm 212, acts in a direction to move the two clampingmembers into engagement with the heel-pile. Movement of the clamping-members in the opposite direction is produced by cam-mechanism, and for this purpose an arm 222 (Figs. 5 and 6) is fixed to the rock-shaft 268 and provided with a roller 224 which engages a cam 226 on the power-shaft 46. y

The stop-finger 92 VisdrawnY downwardly, after it has performed its function, in order to permit the trimmed heel-pile to be advanced by the pusher 98, and this is accomplished by mechanism shown in Figs. 3 and 115 6. The finger is fixed to the inner end of a rod 228 which is fixed on an arm 230. This arm is mounted, at its upper end, upon a pivot 232 fixed in ears on the frame of the A spring 284, attached to the stop-fingeras shown in dotted lines in Fig. 6, tends to draw the finger upwardly into operative position. A bell-crank lever 236 is pivoted, at V238, to the frame of the machine, and the inner extremity 240 of this lever is in position to cooperate witha camsurface on the periphery of the cam 226. This surface has a rise 242, which acts to swing the lever 236 so that a pin, fixed in the upper end thereof, engages the arm 230 and swings the arm outwardly, thereby depressing the stop-finger 92 below the cuttingbed at the proper time. .e

ln order that the machine may be adjusted to operate upon heel-piles having different angles of pitch, the yoke 28 is so n'iounted as to be angularly adjustable. F or this purpose, its ends are pivoted upon the studs 30 on which the gears 34 arejournaled, and arms 244 (Fig. il), which project upwardly from the bearings 32, are provided. with clamp-bolts 246 which engage segmentally-slotted portions of the yoke (F ig. 6). Upon loosening the bolts, the yoke may be swung from vertical position through a limited angle, and since this angular adjustment is about the center of rotation of the gears 311A, it does not interfere with the proper operation of the mechanism by which the cutter-head is actuated.

The operation of the machine. as a whole is as follows: The conveyer-chain advances, in the direction of the arrow 24:8 in Fig. 5, through the space of one link,'and thus brings a heel-pile to the position indicated at 25() in said figure. The pusher 74 then moves the heel transversely from the conveyer to the cutting-table. The shaft 86 is rocked, immediately afterward, in a direction to lower the pusher 80, which is, at this time, `in the rear of the heel-pile. The shaft 86 is then advanced so as to bring the heel.- pile beneath the trimming-knives and into engagement with the stop-finger 92. The clamping-members 941 and 96 then move into engagement with the heel-pile and hold firmly between them and against the stopfinger. The shaft 86 then retracts, and after a short interval, which is allowed for a purpose which will be presently described, it is rocked so as to raise the pusher 98 clear of the clamped heel-pile, and the retreating movement is continued, thus bringing the guard-plates 104 into position on each side of the clamped heel-pile. While these movements are taking place, the cutter-head begins to descend, and the knives engage and trim the clamped heel-pile. At the same time the pusher 80 has been brought into position behind a second heel-pile, which has been transferred from the conveyer to the cutting-table, the conveyer having advanced through the space of one link during the advancing movement of the shaft 86 above described.

After trimming the heel-pile, the knives rise again, and the sha-ft 86 again advances, thus bringing a fresh heel-pile between the clamping-members. During the first part of this advance thearm 100 is stationary, but during the later part of. the movement the arm advances, while the pusher 98 moves the trimmed heel-pile, or rough heel, to gether with the trimmings, to the front of the cuttingtable, where the trimmings can fall from the edge of the table. The shaft 86 then starts to retreat, and the rst part of this movement causes the spring 108 to push the rough heel back from the edge of the table and into a position from which it can be transferred laterally to the conveyor. The shaft 86 then continues its retreating movement and is rocked, as before described, so as to raise the pushers 80 and 98 and the arm 1GO. While these. parts are so raised, the pusher 110 transfers the rough heel to the conveyer, under the plate 116, at the same time that the pusher 24 is transferring a third heel-pile to the cutting-table.

1t will be apparent that the machine So operates that each heel-pile, after its removal from the conveyer-link by which it is brought to the machine, is advanced through the machine alongside the conveyer and in the same direction as the intermittent movements of the latter, so that after the completion of the operation on the heel-pile it is returned again to the same link from which it was removed. This mode of operation is useful not only in a machine for pei'- forming the specific operation herein described, but also in other machines in which the articles operated upon are brought to and removed from the point of operation by an endless conveyer.

Throughout the specification and the claims, the term conve er, unless otherwise defined more speci cally, is used generically to include any feeding means for advancing or conveying the article or articles, and is not in any sense restricted to define a feeding instrumentality which must necessarily support and carry the article or articles placed upon it.

While the present invention is particularly useful in connection with the operation of trimming heelpiles, it is not limited to such use, but may be used in the performance of various trimming operations. In general the invention is not limited to the embodiment thereof hereinbefore described and illustrated in the accompanying draw ings, but may be embodied in various other forms within the scope of the following claims.

The nature and scope of the invention having been indicated, and its preferred embodiment having been specifically described, what is claimed as new is z- 1. A heel-trimming machine having, in combination, means for holding a heel-pile; and means for beveling oil the adjacent rear corner elements of the heel-pile in angularly disposed planes that extend the entire height of the heel-pile and make obtuse angles with the planes of the upper or lower surfaces.

2. A heel-trimming machine having, in combination, means for holding a heel-pile; means for beveling off the adjacent rear corner elements of the heel-pile in angularly disposed planes that extend the entire height of the heel-pile and make obtuse angles with the planes of the upper or lower surfaces; and means for adjusting the angularity of the planes on which the heel-pile is beveled.

3. A heel-trimming machine having, in combination, means for holding a heel-pile; cutting knives for beveling off the two adjacent rear corner elements of the pile by two separate cuts on planes that have obtuse angularity to the upper surface of the pile and cut all of the surfaces that bound each of said corner elements, and means for actuating said cutting knives. y

A. A trimming machine having, in combination, means for holding a heel-pile; cutting means for beveling off the corner elements of said heel-pile; and means for ejecting the heel-pileV and substituting :another heel-pile.

The combination of cutting means for beveling off the corner elements of a heelpile, and automatic means 'for feeding a succession of heel-piles to said cutting means.

`6. A heel-machine having, in combination, a conveyer for feedinga succession of heelpiles, cutting means for beveling off the corner elements of the heel-pile; and means for successively transferring the Vheel-piles from said conveyer into position to be operated upon by the cutting means and for subsequently returning the heel-piles to the conveyer. 'A

7. A heel-machine having, in combination, a conveyer movable progressively in one direction for advancing a succession of heel-piles, means for transferring each pile inA turn from the conveyer and restoring it thereto at the same part thereof from which it is removed, andmeans for operating upon said-pile while it is removed from the conveyer. Y 1 Y Y 8. A trimming-machine having, in combination, a conveyer adapted to advance a succession of heel-piles; cutting-means adapted to bevel off the corner elements of a pile; and means for removing a pile from the conveyer, advancing it into position for operation by the cutting-means, and returning the pile laterally to thefconveyer.

9;. A `trimming-machine having, in combination, a support; cutting-means for beveling oft the tworear corner elements vof a heel-pile upon the support; means engageable laterally with the pile,v for centering it with respect to the cutting-means; and means operative upon a heel-pile upon the support `for positioning theI pile, in a longitudinal direction` with respect to the breast-endiof the pile.`

10. A trimming-machine having, incombination, cutting-meansfor beveling ofi,t the support on which the pile may rest when operated on by the cutting-means; and means for centering the pile laterally and gaging its position'longitudinally as it rests upon Vthe support.

11. A trimming-machine having, in combination,.cutting-means for lieveling off the two rear corner elements of a heel-pile; a. stop for engaging an end of the pile and fixing its position when operated upon by the cutting-means; and means for advancing the pile longitudinally and yieldingly into engagement with the stop. Y 12. The' combination, with an intermittently movable conveyer arranged to advance a succession of articles, of instrumentalities, located adjacent the conveyer, for operating upon. said articles; and mechanism voperating, in timed relation with the movement of the conveyer, to remove successive articles from the conveyer, advance each such article, in the general direction of movement of the conveyer, to and past said instrumentalities, and return the article to the conveyer at the part thereof from which it was removed. Y

13. AV trimming-machine having, in combination, a cutting-table; a cutter-head; a guideway for-the cutter-head;andmeans including a crank-shaft for actuating the cutter-head; the guideway being angular-ly adjustable about an axis coincident with that of said crank-shaft.

14C. A vtrimming-machine having, in combination, a cutting-table; a guideway pivotally mountedon an axis substantially coincident withfthe surface of the cutting-table; a cutter-head movable in therguideway toward and from said axis; pitmen connected to the cutter-head on opposite sides of the cutting-table; and cranks, for actuating the respective pitinen, rotatable about an anis coincident with Athe pivotal axis; of the guideway. l Y

15. A trimming-machine having, in combination, a cutting-table; a trimming-imifcv cooperating therewith; an end-stop for gaging the position of an article to be trimmed by said knife; two clamp-members arranged to engage andwhold the article laterally; and means for moving the clamp-members toward each other in lines converging toward the end-stop, whereby the clamp-members are caused both to grip an, article between them and to force it against the endstop.

16. rIhe combination, with a conveyer adapted to advance a succession of articles, of instrinnentalities, located at the side of the conveyer, for operating on said articles; and mechanismoperatingto laterally transfer successive articles trom the conveyer to' said instrumentahties, and then to restore each articlel to thev conveyer at the point thereof: from which. was removed.,-

17. A trimming-machine having, in combination, cutting means lfor trimming excess material from a partlymanufactured heel: a support on which the heel may rest when operated on by the cutting-means; means for placing a heel upon said support; and other means for centering the heel laterally, and gaging its position longitudinally, on the support.

18. A trimming-machine having, in combination, a conveyer adapted to advance a succession of partly-manutactured heels g cutting-means for trimming surplus mate-- rial from the heels; means for removing a heel 'from the conveyer, means for advancing it in the direction of movement of the conveyer into position to be operated upon by the cutting-means; and separa-te means for returning the heel to the conveyer.

, 19. A trimming-machine having, in combination, a cutting-table; means for clamping a partly-manufactured heel laterally to determine its position on the cutting-table; means engaging one end of the heel, to prevent endivise movement thereof; and a trimming-cutter operative upon the other end of the heel so held.

20. A trimming-machine having, in combination, a cutting-table; a slide-guide above the table; a cutter-head movable in the slideguide; mechanism for reciprocating the cutter-head; heel-feeding means operating, in timed relation With said mechanism, to advance a partly-manufactured heel, upon the cutting-table, to ya position beneath the slideguide, prior to the descent of the cutterhead,and thereafter, by a further movement in thesame direction, to remove the heel from beneath the slide-guide; and means operable upon the heel, When beneath the slide-guide, to gage and fix its position on the cutting-table; 21;.4 The combination, with a conveyer for advancing a succession of articles, and means disposed adjacent the conveyer tor operatingupon said articles, 'of means operating in timed relation With said conveyer for removing successive articles from said conveyer. advancing said articles to and pastfsaid operating means in the general direction of movement of said conveyer, and returning 'said articles to said conveyer.

22. The combination, with a conveyer for advancing a succession oi articles, and means disposed adjacent the conveyer for operating upon said articles, of means for removing successive articles from said conveyer, means for advancing said articles to and pastl said operating `means in the generaldirection of said conveyer, and meansacting vconcurrently With said removing means for returning said articles to said conveyer. j

23. The combination, With a conveyer for advancing Va succession of articles, and

means disposed adjacent the conveyer for operating upon said articles, of means tor removing successive articles from said conveyer, means for intermittently advancing said articles to and past said `operating means in a series olf steps in the general direction of movement of said conveyer and in timed relation thereto, and means` for returning said articles to said conveyer.

2a. A trimming-machine having, in combination, a cutting-table; trimming means cooperating therewith; a stop for gagingthc position of an article to be acted upon; and means for engaging the sides ot said article and rigidly clamping it in position against said stop during the trimming operation.

25. A heel-machine having, in combination, a conveyer for advancing a succession ot heel-piles, means for laterally removing successive heel-piles therefrom and returning said heel-piles thereto at the points thereof from which they were removed.

26. A trimming-machine having, in combination, a cutting-table, a reciprocatingi` cutter, means acting in timed relation to said reciprocating cutter for advancing partly manufactured heels successively along said cutting-table to position beneath said cutter prior to the cutting strokes thereof and therealfter by further movement in the same direction to remove the heels from said position; and means operable upon the heels beneath said cutter for gaging and fixing their position upon said cutting-table.

27; A trimming machine having, in combination, means for feeding a succession oi' heel-piles; cutting means for operating upon each heel-pile; a positive stop for definitely locatingeach heel-pile as it is `ted toV said cutting means, and means for withdrawing said positive stop to permit the further feeding of each heel-pile. Y

28. A heel-trimming machine having, in combination, means for holding 4a heel-pile, knives tor cutting off on'a bevel the rear corner elements thereof, and means '['or temporarily retaining in position the corner portions so cut and subsequently discharging them.

29. A heel-machine having, in combination, a conveyermovable progressively in one direction for advancing a succession lof heel-piles, means for laterally removing each pile in turn to one side of the conveyer and for restoring `it thereto at the samer part .thereof from which it is removed, and means disposed at the side of saidconveyer for operating upon the pile While it is removed therefrom.

30. A heel-machine having, in combina-` tion, .a conveyer movable progressively 'in one direction for advancing a. succession of heellpiles,1neans `for removing each pile in turn from the conveyer at one station, means for operating upon said pile While it is removed, and means for restoringsaid pile to said conveyer at another station.

31. A heel-machine having, in combination, a conveyer movabley progressively in one direction for advancing a succession of heel-piles, means for engaging and laterally moving each pile in turn from the con veyer at one station, means for operating upon said pile while it is removed, and other means foi-.engaging and moving said pile back to .said conveyer atV another station.

32. The combination, with a progressively operating conveyer for advancing a succession of articles, of means disposed adjacent said conveyer for operating upon said articles in succession during the continued movement of the conveyer, and means for removing said articles in turn from the conveyer at oneV station and restoring them thereto after being operated upon at another station.v

33. The combination, with a progressively operating Vconveyer for advancing a succesi tion for clamping theTheel-pile firmly position,"-

sion of articles, of means for removing articles in turn from said conveyer at one station, means for operating upon said articles during the continued movement of the conveyer, and means for returning said articles t0 said conveyer at another. l

34. A heel-machine having, in combina-r tion, a conveyer for advancing a series of heel-piles, a supporting table adjacent said conveyer, means for transferring the heelpiles` infturn from said conveyer to said table, means for operating upon the heelpiles, means respect to said table and into position to be operated upon, and means for returningv thevheel-piles to said conveyer.

35. A heel-machine having, in combination, a cutting table for supporting a heelpile, means engaging the sides and one end of the heel-pile for clamping it firmly in position to be operatedupon, and means for cutting the heel-pile.

36. The combination, with a conveyer for advancing a succession of articles, and means disposed'adjacent the conveyer for operating upon said articles, of means for removing from the conveyer an article to be operf ated upon and concurrently restoring to the conveyer an upon. i 37. The combination, with a progressively operated conveyer for advancing a succession of heel-piles, means for removing a heel-pile therefrom at one station and, after a period of continued operation of said conveyer, returning said heel-pile theretoat ani other station. Y

38. VA heel-machine having, in combina# means for supporting a heelpile,'means for moving the heel-piles with article that has been operatedY means for feeding a heel-pile into clamping position, a reciprocating knife having a rectilinear path ofmovement for operating upon the clamped heel-pile and means for adjusting the angular relation of the knife With respect to the heel-pile to vary the angularity of the path of movement and of the cut,

39. A heel-machine having, in combination, supporting means upon which a heelpile rests, means for clamping the heel-pile firmly in position thereon, a reciprocating cutting knife for operating upon the heelpile, and means for angularly adjusting the knife about an axis in the plane of the upper surface of the supporting means to vary the angularity 0f the cut.

40. A heel-machine having, in combination, stationary means for supporting a heelpile, means for firmly clamping the heel-pile in position, a reciprocating knife for operating upon the heel-pile so clamped, and means for adjusting the angle of stroke of the knife to vary the angularity ofthe cut.

41. A heel-machine having, in combination, means for clamping a heel-pile firmly in position to be operated upon, a knife for.l operating upon the heel .so clamped, means for reciprocating said knife, a guidevvay for saidV knife, and means for angularly adjusting said guidevvay to vary the angularity of cut of theknife. l

42. A heel-machine having, in combination, means for successively feeding a plurality of yheel-piles, a reciprocating knife disposed laterally of the path of feed for trimming said heel-piles, and means for transferring the `heel-piles in turn from Vthe path of feed .into position to be operated upon by said knife.

43. A heel-machine having, in combination, means movable progressively in one direction or advancing a succession of heelpiles, means for laterally transferring each pile in turn from said advancing means Vand restoring it to the same portion thereof from which it is removed, and means for operat-l ing upon said pile While it is removed from said advancing means. j

44. A heel-machine' having, in combination, means for successivelyffeeding a plu'- rality of heel-piles, a reciprocating device disposed laterally of the path of feed for operating upon said heelpiles, means'for engaging `the ,sides of the heel-piles'for-poysitioning them to'vbe operated' upon, and

means for laterally transferring the heelpiles in turn from the path of feed andpresenting them' to Vsaid positioningl means l'by which they arel positioned to Vbe` operate upon by said reciprocating device.

nansrus Corrections in Letters Patent No. 1,393,656.

It is hereby certified that in Letters .Patent No. 1,393,656, granted October 11, 1921, upon the application ofErastus E. Vinkley, of Lynn, Massachusetts, for an improvement in Trimming-Machines, errors appear in the printed specication requiring correction as follows: Page 4, line 92, for iner read inner; page 8,

line 29, claim 3.3, after the Word another insert the Word station.; and that the ysaid Letters Patent should be rend With these corrections therein that the same may conform to the record of the case-in the Patent Office.

Signed and sealed this 15th day of November, A, D., 1921.

[SEAL] KARL FENNING,

Acting Commissioner of Patents. 

